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Study Guide 7 Answers - Answers to Study Guide 7...

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Answers to Study Guide 7 Carbohydrates (Kopachik) Questions: 1. Describe the structure of the monosaccharide glucose by answering the following questions: What is the molecular formula, the functional groups present and the arrangement of them to the number of carbons, alternative structures formed and relationship to the molecule galactose. See Figure 5.3 and 5.4 in the textbook. The formula is C 6 H 12 O 6 but it is like all carbohydrates in having multiple hydroxyl functional groups along with a carbonyl group which for glucose is of the aldose type. Because of the four asymmetric carbons (all but the two end carbons) a hexose could form many isomers (one pictured is galactose which is another relatively common sugar). 2. Where are the following found and give a description of each: ribose, deoxyribose, glucose, fructose, peptidoglycan, chitin. Ribose a pentose in RNA, deoxyribose in DNA, glucose a hexose used in all cells as an energy source and monomer for starch, glycogen and cellulose; fructose is a
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